How to use the GPS, DS18B20, analog input and SDCARD
Dependencies: DS1820 SDFileSystem mbed RHT03
Fork of frdm_serial by
main.cpp
- Committer:
- fgmpinheiro
- Date:
- 2016-02-29
- Revision:
- 9:27360d48afcd
- Parent:
- 8:164088fcf57b
File content as of revision 9:27360d48afcd:
#include "mbed.h" #include "SDFileSystem.h" #include "DS1820.h" #include "RHT03.h" //Include neede to use the RHT03 lib /*******************************************************************************************/ DigitalOut myled(LED_GREEN); Serial pc(USBTX, USBRX); Serial gps(PTC17, PTC16); AnalogIn ps(PTB10);//(A2); AnalogIn qc(PTB11);//(A2); SDFileSystem sd(PTE3, PTE1, PTE2, PTE4, "sd"); // MOSI, MISO, SCK, CS DS1820 ds1820(PTB3); // substitute PA_9 with actual mbed pin name connected to the DS1820 data pin /*******************************************************************************************/ FILE *fp; char gps_data[255]; /*******************************************************************************************/ int main() { int i,rlock,stn; char gps_data[256],str1[25],str2[25]; char ns,ew,aval,modi,mv,mi; float utctime,hokui,tokei; float g_hokui,g_tokei; float d_hokui,m_hokui,d_tokei,m_tokei; int h_time,m_time,s_time,d_date,m_date,a_date; float speed,course,utcdate,magvar; int j; float v1,v2,temp; int done=0; float temp2,hum; RHT03 humtemp(PTB2); //Initalise the RHT03 (change pin number to the pin its connected to) wait(2); pc.baud(115200); gps.baud(9600); pc.printf("\nHello World! I am ALPINHA 4\n"); mkdir("/sd/test1", 0777); fp = fopen("/sd/GPS.txt", "w"); if (fp == NULL) { // that it was created. pc.printf("\nnao possivel abrir o arquivo\n");; // Return error. } else { pc.printf("\n arquivo aberto para escrita\n");; // Return error. } fprintf(fp, "1.txt in test 1"); fclose(fp); ds1820.begin(); ds1820.setResolution(12); ds1820.startConversion(); wait(1.0); // let DS1820 complete the temperature conversion pc.printf("temp = %3.3f\r\n", ds1820.read()); // read temperatura while (1) { if(humtemp.readData() == RHT_ERROR_NONE) done=1; //Request data from the RHT03 temp2 = humtemp.getTemperatureC(); //Gets the current temperature in centigrade hum = humtemp.getHumidity(); //Gets the current humidity in percentage i=0; while(gps.getc()!='$'); while( (gps_data[i]=gps.getc()) != '\r') i++; gps_data[i]='\0'; aval='\0'; v1=0.0;v2=0; for (j=0;j<20;j=j+1) { v1 =v1+ps*3300;//.read(); v2 =v2+qc*3300;//.read(); } v1=v1/20.0;v2=v2/20.0; if((gps_data[2]=='R')&(gps_data[3]=='M')&(gps_data[4]=='C')) { temp=ds1820.read(); ds1820.startConversion(); for(j=0;j<i-1;j++) if(gps_data[j]==',') gps_data[j]=' '; sscanf(gps_data,"%s %f %c %f %c %f %c %f %f %f %s", str1,&utctime,&aval,&hokui,&ns,&tokei,&ew,&speed,&course,&utcdate,str2); //if(aval=='A') { //latitude d_hokui = int(hokui/100); m_hokui = (hokui - d_hokui*100)/60; g_hokui = d_hokui + m_hokui; //longitude d_tokei = int(tokei/100); m_tokei = (tokei - d_tokei*100)/60; g_tokei=d_tokei + m_tokei; //time set h_time = int(utctime/10000); m_time = int((utctime - h_time*10000)/100); s_time = int(utctime - h_time*10000 - m_time*100); //date set d_date = int(utcdate/10000); m_date = int((utcdate - d_date*10000)/100); a_date = int(utcdate - d_date*10000 - m_date*100); pc.printf("%02d/%02d/%02d %02d:%02d:%02d %c %4.6f %4.6f %4.6f %3.3f %3.3f %3.3f --->%f %f\n",d_date,m_date,a_date,h_time,m_time,s_time,aval,g_hokui,g_tokei,speed,temp,temp2,hum,v1,v2); fp = fopen("/sd/alpinha2.txt", "a"); if (fp == NULL) { // that it was created. pc.printf("\nnao possivel abrir o arquivo\n"); // Return error. } else fprintf(fp,"%2d/%2d/%2d %2d:%2d:%2d %c %4.6f %4.6f %4.6f %3.3f %3.3f %3.3f %3.3f %3.3f\r\n",d_date,m_date,a_date,h_time,m_time,s_time,aval,g_hokui,g_tokei,speed,temp,temp2,hum,v1,v2); fclose(fp); } } } }